./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:01:46,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:01:46,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:01:46,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:01:46,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:01:46,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:01:46,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:01:46,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:01:46,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:01:46,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:01:46,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:01:46,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:01:46,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:01:46,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:01:47,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:01:47,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:01:47,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:01:47,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:01:47,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:01:47,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:01:47,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:01:47,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:01:47,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:01:47,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:01:47,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:01:47,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:01:47,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:01:47,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:01:47,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:01:47,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:01:47,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:01:47,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:01:47,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:01:47,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:01:47,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:01:47,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:01:47,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:01:47,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:01:47,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:01:47,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:01:47,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:01:47,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 07:01:47,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:01:47,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:01:47,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:01:47,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:01:47,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:01:47,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:01:47,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:01:47,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:01:47,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:01:47,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:01:47,120 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 07:01:47,120 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 07:01:47,120 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 07:01:47,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:01:47,121 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:01:47,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:01:47,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:01:47,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:01:47,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:01:47,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:47,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:01:47,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:01:47,123 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:01:47,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:01:47,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2021-11-25 07:01:47,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:01:47,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:01:47,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:01:47,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:01:47,403 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:01:47,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-25 07:01:47,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/data/d3fc43d3f/f9d1bd96251f4a7d975f823d429d6762/FLAG1ee52bfc8 [2021-11-25 07:01:48,118 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:01:48,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-25 07:01:48,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/data/d3fc43d3f/f9d1bd96251f4a7d975f823d429d6762/FLAG1ee52bfc8 [2021-11-25 07:01:48,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/data/d3fc43d3f/f9d1bd96251f4a7d975f823d429d6762 [2021-11-25 07:01:48,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:01:48,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:01:48,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:48,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:01:48,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:01:48,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b389fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48, skipping insertion in model container [2021-11-25 07:01:48,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:01:48,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:01:48,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:48,799 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:01:48,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:48,879 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:01:48,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48 WrapperNode [2021-11-25 07:01:48,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:48,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:48,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:01:48,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:01:48,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,937 INFO L137 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-25 07:01:48,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:48,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:01:48,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:01:48,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:01:48,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:48,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:01:48,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:01:48,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:01:48,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:01:48,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:48" (1/1) ... [2021-11-25 07:01:49,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:01:49,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:01:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:01:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:01:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:01:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:01:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:01:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:01:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:01:49,166 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:01:49,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:01:49,317 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:01:49,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:01:49,376 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:01:49,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:49 BoogieIcfgContainer [2021-11-25 07:01:49,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:01:49,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:01:49,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:01:49,390 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:01:49,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:49" (1/1) ... [2021-11-25 07:01:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:01:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-25 07:01:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-25 07:01:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:01:49,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:49,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 07:01:49,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:01:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-25 07:01:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-25 07:01:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:01:49,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:49,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:01:49,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 07:01:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:01:49,996 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-25 07:01:50,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:01:50 ImpRootNode [2021-11-25 07:01:50,030 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:01:50,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:01:50,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:01:50,031 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:01:50,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:49" (3/4) ... [2021-11-25 07:01:50,034 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 07:01:50,091 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cbc6-17a1-4160-b397-3ae23873e39e/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:01:50,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:01:50,097 INFO L158 Benchmark]: Toolchain (without parser) took 1682.56ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 76.0MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:50,099 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:50,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.94ms. Allocated memory is still 90.2MB. Free memory was 69.5MB in the beginning and 59.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:01:50,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.12ms. Allocated memory is still 90.2MB. Free memory was 59.8MB in the beginning and 58.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:50,100 INFO L158 Benchmark]: Boogie Preprocessor took 52.92ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 56.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:50,101 INFO L158 Benchmark]: RCFGBuilder took 386.82ms. Allocated memory is still 90.2MB. Free memory was 56.7MB in the beginning and 42.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 07:01:50,101 INFO L158 Benchmark]: CodeCheck took 650.49ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 78.1MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:50,102 INFO L158 Benchmark]: Witness Printer took 60.28ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:50,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 3 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 522]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L513] int i, j; [L514] int length = __VERIFIER_nondet_int(); [L515] COND FALSE !(length < 1 || length >= 2147483647 / sizeof(int)) [L516] int fac = __VERIFIER_nondet_int(); [L517] COND TRUE fac < 1 || fac >= 2147483647 / (sizeof(int) * length) [L517] fac = 1 [L518] int *arr = __builtin_alloca (length); [L519] int *arr2 = __builtin_alloca (fac*length); VAL [__builtin_alloca (fac*length)={3:0}, __builtin_alloca (length)={2:0}, arr={2:0}, arr2={3:0}, fac=1, length=3] [L520] COND FALSE !(!arr || !arr2) [L521] i=0 VAL [__builtin_alloca (fac*length)={3:0}, __builtin_alloca (length)={2:0}, arr={2:0}, arr2={3:0}, fac=1, i=0, length=3] [L521] COND TRUE i